Semi Dull Spandex – Elimination Of Grin Through Effect

Grin through effect has been a flaw and an area of concern in the garment industry. This effect has tampered with the looks of a lot of apparels and each and every arena. It basically refers to the popping out of the shiny spandex from inside of the fabric tampering the original colour and finesse of the apparel. The appearance of threads typically spandex from inside the cloth while stretching it refers to the grin through effect. Hence, the elimination is a very important step towards the enhancement of the fabric and the garment industry as a whole.

Industry has been using deeper shades of inviy as hard yarns to eliminate the problem of grin through and attain colour uniformity. The flaws are visible in various areas especially in sheer hosiery, where the product is really fine and in sportswear, a lot of sports leggings have this problem of grinning through as they are very stretchable and take the form of the skin, hence making the spandex within appear.  To alleviate this flaw and reach an optimum level of elimination of spandex through the clothes there has to be the usage of a semi dull spandex incorporated in the process of manufacturing.

A semi dull spandex will hide evenly beneath the fabric and one such is recently launched with the name of INVIYA STOLID I-400. Stolid literally meaning “dull with no brightness” has rendered to the needs of modern-day problems in the apparel industry. STOLID I-400 when processed with hard yarns and dyed is not visible at all putting an end to the problem of grin through. Indorama industries has done this with the modification of their polymer which made a duller spandex. The stretch/recovery of the apparel will be retained with the use of Stolid, making it a highly functional yarn. The usage of stolid comes with its perks to the end customers as well as to the supply chain.

Indorama industries is currently providing with stolid I-400 which has a value derivative of

  • Can be used with deeper shades in synthetics.
  • Colour uniformity in the fabric.
  • Stretch/recovery without grin through
  • Resistant to chlorine making it ideal for swimwear.
  • Reduction in moire effect.
  • Adding finesse to the fabric.
  • Better colour reflection on the surface of the fabric.

This will altogether revolutionize the garment industry especially the stretch related sector. The impending flaw of bright spandex which had its place everywhere will finally come to an end. The dominance of stolid I-400 can be seen in various areas

  • Beach wear
  • Swimwear
  • Sheer hosiery
  • Sportswear
  • Medical equipment like gloves etc.
  • Athleisure
  • Intimate wear
  • Compression garments
  • Denim
  • Day to day clothing.  

These properties will enhance the manufacturing of the apparels along with an added value of quality stretch. So “stretch with no stress”, as now the fabrics with light or deeper shades will not lose their shine and lustre because of the shiny spandex which was used earlier. The sheer hosiery will literally act as a second skin to the wearer taking the shape of the body without the appearance of what is used inside. Athleisure will not appear as faded when stretched with the use of this semi dull spandex. STOLID I-400 has high power with optimum fit and shape retention. It is also resistant to heat and dyes which makes it blend easily in the manufacturing process. Therefore, the elimination of grin through is possible with the usage of semi dull spandex with optimum outputs making stretching easy and comfortable with providing desired fit to the wearer without compromising on the quality.

Are you choosing the best fabric for your activewear?


In the contemporary era, the activewear market has surged with a wide range of activewear clothing items for every sporting need. Selecting the best activewear fabric is not only a crucial step as it works as a game-changer, but also the right activewear can help you in achieving your fitness goals while keeping the injuries at the sidelines. Whereas the lack of having the appropriate activewear fabric can aid in posing an adverse effect on your performance. 

Be it sports jerseys, gym wears, or any activewear gear there’s one thing common which is spandex fabric. Spandex is said to be the best workout material and it is widely used for sporting gears because of its distinctive properties. Inviya Spandex not only does not ensure comfort and stretch but also wicks the moisture and prevents blisters.

Thinking about what qualities an ideal activewear fabric should have? 

Let’s discuss the features that the best activewear fabric should have!! 

  • Moisture Regulation: While working out, there is a need for functional sportswear, which wricks the moisture outside of the material. Whereas if the activewear fabric doesn’t wick the moisture away it will ultimately make it heavy and increase the chances of blisters and cramps while working out. So that it doesn’t make the garment heavy and uncomfortable, When the garment possesses moisture-wicking quality it also keeps the blisters away.
  • Durability: Activewear should be strong & durable, imagine wearing low-quality activewear that tears off in a couple of workout training sessions? Workouts include a lot of rapid movements, hence a strong fabric is needed which can stretch perfectly without breaking. Hence it is always better to invest in premium quality activewear that stands strong and durable over several intense workout sessions.
  • Comfort:  Inappropriate garments can adversely impact your performance. Imagine wearing a sports bra that is tight and keeps digging in your back while you work out? Or a legging that’s too tight or loose? It can cause discomfort that will make you lose your focus. When you’re working out, the first and foremost thing you want is for your garment to feel comfortable, so selecting the garment which is comfortable and of the right size is an essential step. 
  • Stretchable: Any sporting activity includes the expansion of muscles, hence expanding of muscles requires a fabric that can stretch without breaking or causing any restrictions, Spandex fiber is said to be the strongest fabric as it can expand 10 times more than its capacity without breaking. So while selecting the activewear fabric make sure that it stretches easily.
  • Flattering Fit: In the era of fitness fiestas, who doesn’t want to look stylish and trendy even in the gym or while a yoga session? Everyone wants it! Activewear should perform well during the sessions and offer a flattering trendy fit so you can look stylish and work out comfortably.
  • Cost-Effective: A comfortable and stretchable activewear does not mean expensive activewear, the best activewear fabric should possess all the qualities at a budget-friendly price. 


When fabrics are blended with spandex it gives all-in-one features like comfort, style, and a trendy chic look and feel. Whether you wear your activewear as casual wear or gym wear, the right activewear garment shouldn’t compromise with its performance. Now that you know how to choose the right fabric for your intense workout sessions, fill your closet with comfortable gears that can help you in achieving your workout goals without any restrictions.